2004-2005 Honda TRX450R Factory Sevice Manual, Page 105Get this manual
FUEL SYST EM
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE
NOTE: The pilot screw is factory pre -set and no adjustment is necessary unless the pilot screw is replaced Use tachometer with graduations of 50 rpm or smaller that will accurately indicate 50 rp m
changeDam age 10 the ior screw sear ill
1Turn the pilot scre clockwise until it seats
li ht lythe back it ut to specification givenThis is an in it ial settin prior to the inal pilot screw adj ustment
occur if the pilot
screw is tightened